Job description
some items in the store to be taken as an offer (instead of the buy button it's order conversation)
possibility to set temporary promotions
loyalty program system for customers
blog in the store
smart search engine at the top of the page
live chat
newsletter
different delivery options on individual products
multi-variants in one offer
opportunity of the day
shopping without registration
when viewing different items, so that you can quickly compare them (i.e. a small button on the thumbnail "compare")
transfer24/payu
tracking of abandoned shopping carts
automatic intelligent naming of images on the page
automatic image shrinking without losing quality on the page
intelligent naming of links
menu at the top of the page
I can send in private message competitor's website